pseudoephedrine

American  

[soo-doh-i-fed-rin, -ef-i-dreen, -drin] / ˌsu doʊ ɪˈfɛd rɪn, -ˈɛf ɪˌdrin, -drɪn /

noun

Pharmacology.

1. a dextrorotatory, isomeric compound, C 1 0 H 1 5 NO, used as a nasal decongestant.

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pseudoephedrine British  

/ ˌsjuːdəʊˈɛfɪˌdriːn, -ˌdrɪn /

noun

1. a drug similar in action to ephedrine, used extensively as a decongestant

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Etymology

Origin of pseudoephedrine

pseudo- + ephedrine

Compare meaning

How does pseudoephedrine compare to similar and commonly confused words? Explore the most common comparisons:

• pseudoephedrine vs. ephedrine

Example Sentences

It works for adults and children without causing the insomnia or nervousness I get from pseudoephedrine.

From Seattle Times

Phenylephrine had become the main drug in over-the-counter decongestants when medicines with an older ingredient — pseudoephedrine — were moved behind pharmacy counters.

From Seattle Times

The FDA assembled its outside advisers to take another look at phenylephrine, which became the main drug in over-the-counter decongestants when medicines with an older ingredient - pseudoephedrine - were moved behind pharmacy counters.

From Washington Times

The FDA assembled its outside advisers to take another look at phenylephrine, which became the main drug in over-the-counter decongestants when medicines with an older ingredient — pseudoephedrine — were moved behind pharmacy counters.

From Seattle Times

Ones containing pseudoephedrine are being reviewed because they may cause vessels supplying the brain to contract or spasm, reducing blood flow.

From BBC